function muestaImg (seleccion) { 
	if (document.getElementById) { 
		document.getElementById('despliegue').src = seleccion.scr; 
		if (seleccion.title) { 
			document.getElementById('eltexto').childNodes[0].nodeValue = seleccion.title; 
		} else { 
			document.getElementById('eltexto').childNodes[0].nodeValue = seleccion.childNodes[0].nodeValue; 
		} 
		return false; 
	} else { 
		return true; 
	} 
}
function pviiClassNew(obj, new_style) {
    obj.className = new_style;
}
function showmenu(elmnt)
{
document.all(elmnt).style.visibility="visible"
}

function hidemenu(elmnt)
{
document.all(elmnt).style.visibility="hidden"
}